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I'm From Vitamin C S… vs Kiehl's Retinol Skin… — Which Is Better? | Gracie

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I'm From Vitamin C Serum vs Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum

Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum scores 9.0/9.8 vs I'm From Vitamin C Serum at 7.3/9.8. Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum wins for hydration.

Head to head

I'm From

Vitamin C Serum

serummid-range

7.3

Buy at Olive Young

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Niacinamide
Retinol
Hyaluronic Acid
Salicylic Acid

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Kiehl's

Retinol Skin-Renewing Daily Micro-Dose Serum

serumpremium

9.0

Score comparison

Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum takes this one, winning 3 of 5 attributes.

I'm From wins 0

Tied 2

Kiehl's wins 3

9.0

I'm From

Kiehl's

Ingredient face-off

12% overlap

12I'm From

5Shared

42Kiehl's

Only in I'm From Vitamin C Serum

7 unique

Water Ascorbic Acid 2-Hexanediol Panthenol Allantoin Arginine Ethylhexylglycerin

Shared ingredients

5 in common

Glycerin Butylene Glycol Niacinamide Sodium Hyaluronate Carbomer

Only in Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum

37 unique

Aqua/Water Pentylene Glycol Cetyl Alcohol Isohexadecane Isononyl Isononanoate Diisopropyl Sebacate 2-Oleamido-1 3-Octadecanediol Acetyl Dipeptide-1 Cetyl Ester Adenosine+27 more

Why Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum comes out ahead

Where Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum really shines is hydration efficacy, scoring 9.6 compared to I'm From Vitamin C Serum's 5.4. With Glycerin, Butylene Glycol, and Pentylene Glycol in its top ingredients, Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum delivers stronger moisture-binding capability.

Active Ingredient Strength is another area of separation. Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum scores 7.8 here versus 5.0 for I'm From Vitamin C Serum. That difference comes down to how each formula is built — the ingredient list tells the story.

Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum brings Niacinamide, Acetyl Dipeptide-1 Cetyl Ester, and Adenosine as actives, while i'm From Vitamin C Serum relies on Ascorbic Acid, Niacinamide, and Allantoin. Both approaches have merit, but the positioning and supporting ingredients make the difference.

Best for your skin type

I'm From Vitamin C Serum is better if you have

Sensitive skin — the low-irritation formula keeps things gentle
Anyone who prefers clean, well-vetted formulations

Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum is better if you have

Sensitive skin — the low-irritation formula keeps things gentle
Dry or dehydrated skin that craves moisture, thanks to Glycerin
Targeting specific concerns like aging or uneven tone — Niacinamide does the heavy lifting

Value comparison

At mid-range pricing with a score of 7.3, I'm From Vitamin C Serum is a decent pick. Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum sits at the premium level with a 9.0 score — the higher investment pays off in formulation quality.

Our verdict

✶ Our verdict

+1.7 lead

Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum wins this comparison with a meaningfully stronger ingredient profile and overall score.

7.3I'm From

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9.0Kiehl's

Frequently asked questions

Which is better: I'm From Vitamin C Serum or Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum?

Based on ingredient analysis, Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum scores higher overall. See the full score breakdown above for details on each attribute.

Do I'm From Vitamin C Serum and Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum share ingredients?

Yes, they share common ingredients. Check the ingredient face-off section above for a detailed comparison.

What's the main difference between I'm From Vitamin C Serum and Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum?

The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.

Full analysis: I'm From Vitamin C Serum→Full analysis: Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum→

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